LAB 2-1 Assigned Hardware Resources

Objective

The objective of this lab is to provide you with experience managing I/O addresses. After completing this lab exercise, you will be able to:

_ List examples of standard I/O address usage.

_ Explain how to determine which I/O addresses are being utilized.

_ Explain how to modify I/O address settings to resolve resource conflicts.

_ Explain the importance of unique I/O addresses.

Materials Required

_ Operating systems: Windows 9x, XP, and Vista

Additional Devices

_ 1 I/O expansion card for each lab workgroup

Lab Setup & Safety Tips

_ During this lab exercise, you will use Device Manager to view the properties of your lab workstation. It is important that you not change the parameters of Device Manager; otherwise, your lab workstation may not function properly. You will get a chance to modify Device Manager parameters in later labs.

ACTIVITY

Recording your lab workstation’s I/O Address settings

1. Start your lab workstation, and allow it to boot into Windows 9x.
2. Click the Start button.
3. Point to Settings.
4. Click Control Panel.
5. Double-click the System icon.
6. Click the Device Manager tab.
7. Click the Properties button.
8. Click Input/output (I/O). Record below.
9. Do the same for IRQ, DMA, and Memory Addresses.
10. Record all of the resources assigned to each of the following devices. Note: Not all devices will have all resources assigned.:

Device	IRQ	DMA	I/O Address Range	Memory Address Range
Floppy drive
NIC (Network Interface card)
Sound Card
Keyboard
Printer Port (LPT1)
Direct memory access controller
USB Controller
Serial Port (COM1 or COM2)
Hard Drive
Mouse

11. Close all open windows and dialog boxes.

Viewing the Edit Input/Output Range window using Device Manager

1. Start your lab workstation, and allow it to boot into Windows 9x.
2. Click the Start button.
3. Point to Settings.
4. Click Control Panel.
5. Double-click the System icon.
6. Click the Device Manager tab.
7. Double-click Sound, video, and game controllers.
8. Double-click the installed sound card driver.
9. Click the Resources tab.
10. Deselect Use automatic settings.
11. Double-click Input/Output Range. (Note: Some Input/Output ranges may not be configurable. When they are not configurable, double-clicking produces no effect.)
12. The Edit Input/Output Range window allows I/O address modification.
13. Do not make any changes.
14. Click Cancel three times.
15. Close the Control Panel window.
16. Note: You cannot change device settings in modern versions of Windows.

Managing Devices in Windows XP

1. Right click on my computer and select properties.
2. Click the hardware tab.
3. Click on device manager.
4. Go under the View menu and select “Resources by Type”. What four resources do you see listed?

5. What two or three devices have been assigned DMAs?

Managing Devices in Windows Vista

1. Open the Run command in your Vista VM.
2. Type devmgmt.msc and hit enter. What happens?

3. View “Resources by Connection”.
4. What item has memory addresses 00000000-0009ffff assigned to it?

Review Questions

Circle True or False.

1. An I/O address is an address stored on the hard drive, and is assigned to the operation of one particular device. True / False
2. All LPT ports require one I/O address. True / False
3. The term I/O card is often used to refer to an expansion card which contains a serial, parallel, and game port. True / False
4. Floppy drives do not require an I/O address assignment. True / False
5. Describe why some I/O ranges are not configurable in Device Manager.

6. John has configured the jumpers on his NIC (Network interface card) to use I/O address 300. Using Device Manager, what steps must John complete to confirm that I/O address 300 is properly assigned to the NIC?

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